package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

/**
 * 需求:删除userinfo表中id为1的用户
 */
public class JDBCDemo4 {
    public static void main(String[] args) throws Exception {
        Class.forName("com.mysql.cj.jdbc.Driver");
        Connection connection = DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root",
                "root"
        );
        Statement statement = connection.createStatement();
        String sql = "DELETE FROM userinfo WHERE id=1";
        int num = statement.executeUpdate(sql);
        if(num>0){
            System.out.println("删除成功");
        }else{
            System.out.println("删除失败");
        }
        connection.close();

    }
}
